This Hatch is Rectangle 23"x13" and is lid only

For Cobra Fish N' Dive

+ Quick and easy to install on any BCD
+ Adjustable nylon strap is 33" long to fit standard and extra wide tanks
+ 10x more torque for a tighter fit; no more struggling to get the strap tight and the buckle clamped down
+ Spring tension knob extends for easy adjustment; even with heavy glove
+ Minimal effort; just turn the knob and lock... no more re-threading

Material: Seeflex Nylon II Neoprene

This 3 1/2" X 5 7/8" glows in the dark